How-To: Hack Addressable Christmas Lights into a 7×7 Display

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John Graham-Cumming created this sleek 7×7 LED display by hacking up a string of addressable Christmas lights from GE. Starting from Robert Quattlebaum’s excellent tutorial, he mounted an Arduino Pro and GE Color Effects G-35 Christmas lights inside a frame and diffused the light with a cutting board. I especially like how he used servo arms to secure the backing to the frame. He coded the Arduino so that custom messages and patterns can be displayed and in the video above he shows it displaying “Thanks GE” for making these hackable Christmas lights. [via Reddit]

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Matt Richardson is a San Francisco-based creative technologist and Contributing Editor at MAKE. He’s the co-author of Getting Started with Raspberry Pi and the author of Getting Started with BeagleBone.

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